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How to link to specific line number on github
...ink to the right lines:
Click on the line number you want (like line 18), and the URL in your browser will get a #L18 tacked onto the end. You literally click on the 18 at the left side, not the line of code. Looks like this:
And now your browser's URL looks like this:
https://github.com/git/gi...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...
You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GROUP BY home) groupedtt
ON tt.home = groupe...
How do I wait for an asynchronously dispatched block to finish?
I am testing some code that does asynchronous processing using Grand Central Dispatch. The testing code looks like this:
13...
iOS app error - Can't add self as subview
...r pop) a view controller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complet...
Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
Position absolute but relative to parent
I have two divs inside another div, and I want to position one child div to the top right of the parent div, and the other child div to the bottom of the parent div using css. Ie, I want to use absolute positioning with the two child divs, but position them relative to the parent div rather than the...
Checking from shell script if a directory contains files
...{#files} -gt 0 ]; or maybe you just forgot the () around the sub-shell command? files=($(shopt -s nullglob;shopt -s dotglob;echo /some/dir/*))
– stoutyhk
Jul 4 '13 at 17:48
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Programmatically add custom event in the iPhone Calendar
... access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block.
2) You need to commit your event now or pass the "commit" param to your save/remove call
Everything else stays the same...
Add the EventKit framework and #import <EventK...
Python: Continuing to next iteration in outer loop
...tinue loop i
In a general case, when you have multiple levels of looping and break does not work for you (because you want to continue one of the upper loops, not the one right above the current one), you can do one of the following
Refactor the loops you want to escape from into a function
def ...
How to Vertical align elements in a div?
I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other.
29 ...